Home / 20,336,889.84-30,506,384.52-5,190,952.56

Finding the Fourth Proportional to 20,336,889.84, 30,506,384.52 and 5,190,952.56

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Solution

The fourth proportional to 20,336,889.84, 30,506,384.52 and 5,190,952.56 is: 7,786,696.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,336,889.84 : 30,506,384.52 = 5,190,952.56 : x
  2. Step 2: Convert to fraction form
    20,336,889.84/30,506,384.52 = 5,190,952.56/x
  3. Step 3: Cross multiply
    20,336,889.84x = 30,506,384.52 × 5,190,952.56
  4. Step 4: Simplify right side
    20,336,889.84x = 158,357,194,820,438.34
  5. Step 5: Solve for x
    x = 158,357,194,820,438.34/20,336,889.84
  6. Step 6: Final answer
    x = 7,786,696.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.